ufc-3-270-01
O&M: ASPHALT MAINTENANCE AND REPAIR
O&M: ASPHALT MAINTENANCE AND REPAIR - continued
FOREWORD - ufc-3-270-010003
FOREWORD - continued - ufc-3-270-010004
Contents - ufc-3-270-010005
Contents - continued - ufc-3-270-010006
Contents - continued - ufc-3-270-010007
Acknowledgment - ufc-3-270-010008
Chapter 1. INTRODUCTION - ufc-3-270-010009
References. - ufc-3-270-010010
Chapter 2. PURPOSE AND TYPES OF MAINTENANCE AND REPAIR
Types of Maintenance and Repair
Importance of Weather
Chapter 3. FULL-DEPTH AND PARTIAL-DEPTH PATCHES
Procedural Steps (Full-Depth Patch)
Procedural Steps (Full-Depth Patch) - continued
Procedural Steps (Partial-Depth Patch)
Problem Areas - ufc-3-270-010018
Figure 3.1. Steps for full-depth patch
Figure 3.3. Saw cutting marked repair area
Figure 3.5. Abrasive blade
Figure 3.7. Applying tack coat with spray wand
Figure 3.9. Vibratory plate tamper
Figure 3.11. Overlapping compaction lanes
Figure 3.13. Sealing edges of the patch
Chapter 4. SPRAYED ASPHALT SURFACE TREATMENTS
Procedural Steps (Tack Coat)
Fog Seals and Rejuvenators
Problem Areas (Fog Seals and Rejuvenators)
Figure 4.2. Asphalt distributor
Chapter 5. SPRAYED ASPHALT WITH SURFACE AGGREGATE
Table 5.1. Aggregate Gradations for SBST
Problem Areas (SBST)
Multiple Bituminous Surface Treatment
Table 5.4. DBST Binder and Aggregate Application Rates
Table 5.5. Aggregate Gradations for Sandseal
Table 5.6. Sandseal Binder and Aggregate Application Rates
Figure 5.2. Applying aggregate with self-propelled hopper-type spreader
Figure 5.3. Brooming the treated area
Figure 5.5. Aggregate and sprayed asphalt spead pattern
Chapter 6. ASPHALT SLURRY SEALS
Procedural Steps
Problem Areas - ufc-3-270-010043
Figure 6.1. View of slurry seal machine
Chapter 7. PATCHING (FILLING RUTS AND DEPRESSIONS)
Problem Areas - ufc-3-270-010046
Figure 7.1. Correct method for filling ruts and depressions in lifts
Chapter 8. POROUS FRICTION SURFACES
Patching PFS
Patching Using Standard Hot-Asphalt Plant Mix
Figure 8.1. View of a porous friction surface (PFS)
O&M: ASPHALT MAINTENANCE AND REPAIR
O&M: ASPHALT MAINTENANCE AND REPAIR - continued
FOREWORD - ufc-3-270-010003
FOREWORD - continued - ufc-3-270-010004
Contents - ufc-3-270-010005
Contents - continued - ufc-3-270-010006
Contents - continued - ufc-3-270-010007
Acknowledgment - ufc-3-270-010008
Chapter 1. INTRODUCTION - ufc-3-270-010009
References. - ufc-3-270-010010
Chapter 2. PURPOSE AND TYPES OF MAINTENANCE AND REPAIR
Types of Maintenance and Repair
Importance of Weather
Chapter 3. FULL-DEPTH AND PARTIAL-DEPTH PATCHES
Procedural Steps (Full-Depth Patch)
Procedural Steps (Full-Depth Patch) - continued
Procedural Steps (Partial-Depth Patch)
Problem Areas - ufc-3-270-010018
Figure 3.1. Steps for full-depth patch
Figure 3.3. Saw cutting marked repair area
Figure 3.5. Abrasive blade
Figure 3.7. Applying tack coat with spray wand
Figure 3.9. Vibratory plate tamper
Figure 3.11. Overlapping compaction lanes
Figure 3.13. Sealing edges of the patch
Chapter 4. SPRAYED ASPHALT SURFACE TREATMENTS
Procedural Steps (Tack Coat)
Fog Seals and Rejuvenators
Problem Areas (Fog Seals and Rejuvenators)
Figure 4.2. Asphalt distributor
Chapter 5. SPRAYED ASPHALT WITH SURFACE AGGREGATE
Table 5.1. Aggregate Gradations for SBST
Problem Areas (SBST)
Multiple Bituminous Surface Treatment
Table 5.4. DBST Binder and Aggregate Application Rates
Table 5.5. Aggregate Gradations for Sandseal
Table 5.6. Sandseal Binder and Aggregate Application Rates
Figure 5.2. Applying aggregate with self-propelled hopper-type spreader
Figure 5.3. Brooming the treated area
Figure 5.5. Aggregate and sprayed asphalt spead pattern
Chapter 6. ASPHALT SLURRY SEALS
Procedural Steps
Problem Areas - ufc-3-270-010043
Figure 6.1. View of slurry seal machine
Chapter 7. PATCHING (FILLING RUTS AND DEPRESSIONS)
Problem Areas - ufc-3-270-010046
Figure 7.1. Correct method for filling ruts and depressions in lifts
Chapter 8. POROUS FRICTION SURFACES
Patching PFS
Patching Using Standard Hot-Asphalt Plant Mix
Figure 8.1. View of a porous friction surface (PFS)
